Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Leading air quality experts are expected to gather in Phoenix to "address rising ground-level ozone concentrations in ...

An Air Quality Alert is in effect for the Valley ... the weekend as a storm system runs along the West Coast and north of Arizona. This system will help our high temperatures slip back to the ...